CrystalDiskMark is a disk benchmark software that allows us to benchmark 4K and 4K queue depths with accuracy.

Key Features:-

* Sequential reads/writes

* Random 4KB/512KB reads/writes

* Text copy

* Change dialog design

* internationalization (i18n)

Note: Crystal Disk Mark 3.0 Technical Preview was used for these tests since it offers the ability to measure native command queuing at 4 and 32.

In CDM we are looking at the 4K and native command queuing performance. The 120GB SandForce drives perform slower than the larger 240GB models in these tests. Here we see the Silicon Power V30 running very close to the same performance levels we recorded with the Vertex 3 120GB.

The same can be said in the write test, except here the 4K read is more than 20MB/s slower with the V30 when compared to the 120GB Vertex 3.

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